The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 03, 2002
Filed:
Oct. 18, 2001
Applicant:
Inventors:
Ronald L. Imken, Round Rock, TX (US);
Robert S. Clough, St. Paul, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/912 ; C08L 5/300 ;
U.S. Cl.
CPC ...
H01L 2/912 ; C08L 5/300 ;
Abstract
An electronic circuit device comprising at least one substrate having a photoimageable covercoat, comprising at least 95 weight percent of at least one epoxy-modified aromatic vinyl-conjugated diene block copolymer and a catalyst comprising an onium salt selected from a triarylsulfonium salt and a diaryliodonium salt, wherein the covercoat is formed by solvent coating or extrusion and then heat laminated onto at least a portion of the substrate.